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Thousand Islands Central School District, New York

Thousand Islands Central School District is a unified school district in Jefferson County, New York, for grades K–12. About 6,880 people live in it (2020–2024 estimate). It covers 138 sq mi (358 km²) of land.

New YorkBuffaloYonkers
Thousand Islands Central School District in New York
General Brown Central School DistrictLa Fargeville Central School District
Thousand Islands Central School District and its neighbors (simplified outlines). Open in OpenStreetMap ↗
Population, 2020–2024 estimate
6,880 ± 290
Grades
K–12
Type
Unified school district
County
Jefferson County
Land area
138 sq mi (358 km²)
Median household income
$78,503 ± $5,855
Median home value
$230,300 ± $18,074
Water area
54.8 sq mi (142 km²)
State
New York
Census code (GEOID)
3607650
Coordinates (central point)
44.164575, -76.172212
Check a point in the school district finder

These coordinates mark a central point for the district, not a school or an address. Population, income and home value: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, ± margin at 90% confidence; checked on October 20, 2026.

Towns, townships and communities in Thousand Islands Central School District, largest first

  1. Town of Clayton4,693 people
  2. Town of Cape Vincent2,532 people
  3. Clayton (village)1,661 people
  4. Cape Vincent (village)658 people
  5. Depauville (CDP)310 people
  6. Fishers Landing (CDP)91 people

A town, township, city or borough is listed when at least half its land is in the district; a community, when its central point is. Near a district line, an address can belong to the district next door.

Bordering unified school districts, nearest first

  1. Lyme Central School District9.7 mi south
  2. La Fargeville Central School District11 mi east
  3. General Brown Central School District12 mi southeast

These share a boundary with Thousand Islands Central School District. Distances are straight lines between central points.

Before using this answer for enrollment

A district boundary doesn’t decide which school a student attends; the district’s attendance zones and rules do. Confirm the full address and grade with Thousand Islands Central School District before you rely on it.

See its schools and enrollment on NCES ↗

Find the school district where you are now or find your town or township.